Update autobuild.yml

Author: maddie480

.github/workflows/autobuild.yml

@@ -29,7 +29,7 @@ jobs:
         dotnet-version: 2.2.108
 
     - name: Setup ICU dependencies
-      run: sudo apt install -y libunwind8 libicu57
+      run: sudo apt-get update && sudo apt-get install -y libunwind8 libicu57
 
     - name: Restore with .NET Core
       run: dotnet restore